Event Info


These are PROVISIONAL TIMES, you will receive your final information in the weeks before the event.

Saturday, 3 August, Registration opens 07:30hrs – 09:30hrs.​

The event HQ is at the Holyhead Lifeboat station where the marathon starts and finishes. 

Race briefing at 09:35hrs.

The race starts at 10:00hrs.

The entrance fee is £33. This gets you entry to the full marathon, Timed course, Branded Cybi Coastal t-shirt, Finishers gift, 5 water stations along the course, partially way-marked course.

This is a cup less event so we recommend bringing your own.

Full Race Instructions


Event Sponsorship

We would like to Introduce you to our two headline sponsors for this years Cybi Coastal Marathon.


Stuart Marine

Stuart Marine is a Marine Engineering Company serving both the leisure and commercial marine industries, based on the idyllic Isle of Anglesey.

Stuart is also a crew member at Holyhead RNLI station who along with Trearddur Bay Lifeboat station are our chosen charity.

For more info, go to Stuart Marine

Anglesey Vans

Anglesey Vans are a family run business based on Anglesey that pride themselves on the ability to share their love for the outdoors and prepare vans to meet everyone’s individual needs.
Anglesey Vans have the technical know-how and craftsmanship to deliver your ideas into reality.

For more info, go to Anglesey Vans

Without the support of local businesses such Stuart Marine and Anglesey Vans we wouldn’t be able to put on such an awesome event and provide donations to the local RNLI.


The Cybi Coastal Marathon won 1st place in the Best Marathons category of the Challenge Awards 2019 presented by Runners World and powered by Let’s Do This. The awards aims to recognise the best challenge events, organisation, charities, communities and individuals over the 2018/19 season.